util

func ActiveToSingleStates ¶

func ActiveToSingleStates(active map[string][]UnitState) (map[string]UnitState, error)

ActiveToSingleStates takes a map of active states (such as that returned by WaitForNActiveUnits) and ensures that each unit has at most a single active state. It returns a mapping of unit name to a single UnitState.

func BuildCloudConfig ¶

func BuildCloudConfig(dst io.Writer, ip, etcdEndpoint, etcdKeyPrefix string) error

func CopyFile ¶

func CopyFile(newFile, oldFile string) error

CopyFile()

func GenNewFleetService ¶

func GenNewFleetService(newFile, oldFile, newVal, oldVal string) error

GenNewFleetService() is a helper for generating a temporary fleet service that reads from oldFile, replaces oldVal with newVal, and stores the result to newFile.

func NewMachineID ¶

func NewMachineID() string

func RunFleetctl ¶

func RunFleetctl(args ...string) (string, string, error)

func RunFleetctlWithInput ¶

func RunFleetctlWithInput(input string, args ...string) (string, string, error)

func TempUnit ¶

func TempUnit(contents string) (string, error)

tempUnit creates a local unit file with the given contents, returning the name of the file

func WaitForState ¶

func WaitForState(stateCheckFunc func() bool) (time.Duration, error)